Types of Relay Used in Substation | What is relay in substation

Types of Relay Used in Substation:

This diagram shows how to connect types of Relay Used in Substation Connection. In this circuit diagram, we just try to describe simply how to connect a type of Relay Used in a Substation. This diagram is for the types of Relay Used in the Substation. So you can wire your types of Relay Used in the Substation diagram very easily. If you want to learn how to connect this circuit clearly you can follow our youtube video link below.

Diagram of Types of Relay Used in Substation:

Components Need for this Project:

You can get the components from any of the sites below:

  1. SP MCB [See Buy Click Amazon]
  2. Relay [See Buy Click Amazon]
  3. PT Coil [See Buy Click Amazon]
  4. CT Coil [See Buy Click Amazon]
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Components used to make the Types of Relay Used in Substation:

01. SP MCB

Fig 2: SP MCB
MCB SP means single pole it protects only one phase switching. MCB (Miniature Circuit Breaker) Curswitch is the most basic general-purpose switch that you use to control a light or another device from one location. These Switches Have Two Brass-Colored Screw Terminals Connected to the hot Power Source Wires. (MCB) For any Distribution Board, the Protection System Must be Used in The Incomer. Phase and Neutral Single Phase Supply to break. 120-volt circuits, 15-20 amp single pole breaker is typically used.

02. Relay

Fig 3: Relay
This relay is known as 8 pin relay because it has 8 terminals. When coil power is supplied. A magnetic induction is created due to which the connected sheet of the Com part moves towards the NO part changing to NO-NC. The former NC region loses conductivity and becomes NO. Thus, as long as power is supplied to the coil, the NO and NC positions will remain in the alternating state, and when the power is removed from the coil, it will return to its original position. This is basically how a relay switch works.

03. PT Coil

PT Coil
Fig 4: PT Coil
Instrument transformers (potential transformers) are used to measure high voltages. Current transformers are used to measure current in transmission and distribution lines, and potential or voltage transformers are used to measure voltage. It is a transformer that is used to step down high voltage to low range. It is necessary to connect the meter in parallel with the load to measure the voltage in the circuit with a low-range meter. The potential transformer is called PTO for short.

4. CT Coil

CT Coil
Fig 5: CT Coil
Current transformers are mainly used to measure high currents. We know that high power lines carry a lot of currents. In this case, an ordinary ammeter or multimeter cannot measure this current. Current transformers are used in Acorn. When an electrical supply is applied to the primary coil, a magnetic field is generated around it which the secondary coil collects. As a result, a mutual induction is created between the primary and secondary coils and current flows in the secondary. With excess core flux, hysteresis, and eddy current losses will also be high and the CT temperature will also increase.

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